Best Travel eSIMs 2026
Ubigi, Nomad, Jetpac, Airalo, Saily, Maya Mobile, Holafly and more ranked by price per GB on a Japan 10GB month, the fair-use throttle threshold each provider publishes, hotspot allowance, the local network named before purchase, and top-ups on the same eSIM.
Last updated: 2026-09-18 Β· 10 entries tracked daily
Current Rankings
Ubigi sells Japan 10GB for 30 days at $16.50, names KDDI and NTT Docomo on the plan page, allows data sharing, and writes its unlimited threshold in plain numbers: 60GB at full speed, then 2 Mbps. It is the most transparent plan page I checked.
Nomad has Japan 10GB for 30 days at $16 on sale ($18 list), runs on KDDI au and SoftBank, supports hotspot, and attaches add-on data to the same eSIM so it starts automatically when the first plan runs out.
Jetpac charges $16 for Japan 10GB over 30 days, allows unlimited tethering, spells out its unlimited plan as 3GB a day then up to 1 Mbps, and adds SmartDelay, a free LoungeKey lounge pass for you and a companion when a registered flight runs more than an hour late.
Airalo, now past 30 million customers, lists Japan unlimited at $69 for 30 days on SoftBank, publishes a fair-use page stating 3GB a day then 1 Mbps, counts hotspot inside that daily allowance with no device limit, and lets you top up the same eSIM.
Saily, run by NordVPN's parent Nord Security, sells Japan 10GB for 30 days at $17.99 with hotspot included, 24/7 chat and in-app top-ups, and its app is the smoothest onboarding I have used for a first-time eSIM buyer.
Maya Mobile's 30-day Japan plan costs $49.99 for 5GB of high-speed data every day, then 3 Mbps, with hotspot included. For heavy users that works out to about $0.33 per GB, and 3 Mbps is the most usable post-cap speed on this list.
GigSky runs Japan data on NTT Docomo and SoftBank, offers a free 100MB trial in the app, and sells fixed-data plans only. Its prices follow the app's region setting, so the 10GB month that esimdb lists at $16.79 can quote higher in your account.
Airhub posts the lowest per-GB price I found for a Japan month, 15GB for 30 days at $15.99, plus a one-day plan with 10GB at full speed then 2 Mbps for $3.30. It is a strong budget pick for travelers comfortable choosing a plan with less network detail up front.
aloSIM offers 23 Japan plans with 5G, including 10GB for 30 days at $18 and a 50GB month at $34.50, which is a good fit for a long stay where you want one big bucket of data.
Holafly sells Japan by the day only, $73.90 for 30 days of unlimited data on KDDI and SoftBank, with hotspot sharing of 1GB per day and a free 1GB monthly backup in 150+ countries. It is the simplest buy for travelers who never want to count gigabytes.
Today's Analysis Β· 2026-09-18
I ranked these ten travel eSIMs on one question: what does a 30-day trip to Japan cost, and does the provider tell you, before you pay, exactly where the fast data stops and which network you will ride on?
Price per GB leads my scoring because it is the one number every provider can be compared on. On a 10GB, 30-day Japan plan, Nomad is $16 on sale, Jetpac is $16, Ubigi is $16.50, Saily is $17.99 and aloSIM is $18. That spread is only two dollars, so the tiebreakers decide the order.
The tiebreaker I weight most is fair-use disclosure. Every "unlimited" plan I checked has a daily threshold, and the good providers print it. Ubigi says 60GB at full speed, then 2 Mbps. Airalo says 3GB a day, then 1 Mbps. Jetpac says 3GB a day, then up to 1 Mbps. Maya Mobile says 5GB a day, then 3 Mbps. Holafly's Japan page states the carrier may slow speeds for up to a day and points to its terms for the exact threshold, so it scores lowest on this column.
Ubigi takes first place. It names KDDI and NTT Docomo on the plan page, allows data sharing, and gives you six months to activate. Nomad is a hair behind with KDDI au and SoftBank named and add-on data that attaches to the same eSIM. Jetpac earns third with unlimited tethering and a lounge pass when your flight is delayed more than an hour.
Airalo, past 30 million customers, is my pick for the traveler who wants unlimited in Japan with a published policy, at $69 for 30 days. One disclosure for readers of my VPN ranking: Saily is run by Nord Security, the same company behind NordVPN.
Ubigi wins because its plan page answers every question before checkout
Ubigi's Japan 10GB plan is $16.50 for 30 days, and the same page names KDDI and NTT Docomo, confirms data sharing, and gives a six-month activation window. Its unlimited Japan plan states 60GB at full speed, then 2 Mbps, which is the most generous published threshold I found. I can buy it a month before a Tokyo trip and know exactly what I will get when I land at Narita.
The published throttle number is the most useful spec in this category
An unlimited plan is only as good as its daily threshold. Airalo publishes 3GB a day then 1 Mbps, Jetpac 3GB then up to 1 Mbps, Maya Mobile 5GB then 3 Mbps, and Ubigi 60GB then 2 Mbps. I scored fair-use disclosure as its own column because a traveler streaming Google Maps and Instagram all day hits 3GB by mid-afternoon, and the number printed on the page tells you whether dinner will load.
Jetpac is the best-value extra in travel eSIMs
At $16 for 10GB over 30 days, Jetpac already ties for the cheapest mainstream Japan month. It adds unlimited tethering and SmartDelay: register your flight up to 24 hours before departure, and a delay of more than an hour sends you and a companion a LoungeKey pass. One delayed evening flight makes that perk worth more than the plan itself.
Maya Mobile is the heavy user's unlimited plan
Maya Mobile charges $49.99 for 30 days in Japan with 5GB of high-speed data every day and 3 Mbps after that, with hotspot included. For someone tethering a laptop, that is about $0.33 per GB of fast data, and 3 Mbps keeps video calls usable after the cap. It is the unlimited plan I would buy for a working trip.
Holafly is the simple buy, and simplicity carries a price
Holafly's Japan unlimited plan costs $73.90 for 30 days on KDDI and SoftBank, with 1GB of daily hotspot sharing and a 1GB monthly backup in 150+ countries. It suits travelers who want to pick a number of days and never think about data again. For a clearly written threshold at a lower price, Airalo's $69 plan and Maya's $49.99 plan both deliver more.